That Growing Up Odd has been on my bucket list for a long time... Love it!
I posted a tute for a tote bag in the Tutorials section. It's made of 2.5" candies, if you could use a tote bag.
http://www.quiltingboard.com/tutoria...l-t285108.html
If you wanted it bigger you could make it with a base of 16-patches rather than 9-patches. Would use up more candy that way.